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Conference Presentations - 2012 AIChE Spring Meeting and Global Congress on Process Safety

Simple Opportunities for Improving Energy Efficiency

Apr 4, 2012
Alan Rossiter
Energy efficiency has become an important theme in the process industries, and many companies have implemented sophisticated strategies to improve both the design and the operation of their plants. However, many efficiency improvements are possible simply by doing basic things right. This article...

NOx Risk Mitigation for the Co-Feeding of Natural Gas to the Sasol CTL Complex

Apr 4, 2012
Michael Schnobel
Natural gas has been a co-feedstock to the reformers in the Sasol CTL complex since 2004. A more beneficial way is to re-route natural gas to the cryogenic separation unit and thus only reform the separated methane in the natural gas feed. However, introducing NO x into the cryogenic separation...

Modeling of Ground Flare Pits

Apr 4, 2012
Nicolas F. Ponchaut
New LNG liquefaction facilities have been configured to include large ground flares to allow for the safe combustion of large volumes of combustible gasses in the event of facility upset conditions. A recent example is a planned LNG development nearby Darwin, Australia. These ground flares can...

Anti-Surge Methods for the Base Load LNG Plant Propane Compressor

Apr 4, 2012
J. C. Kuo
The propane compressor represents a significant capital investment and operating expense of a LNG plant, and is an essential component in providing revenue streams of the plant. Therefore, operation and protection of the propane compressor are critical issues in the plant design and operation. The...

Practical Process Integration Retrofit Part 5. Software Needs

Apr 3, 2012
G. T. Polley
Practical Process Integration Retrofit Part 5. Software Needs G.T.Polley In this final paper in our series on process integration retrofit we look at what is needed in terms of computer software in order to undertake retrofit projects. Three types of program are identified: Integration analysis...

Application of the Anti-Sloshing Blanket to LNG Carriers and FLNG

Apr 3, 2012
Sangeon Chun
Sloshing is long problematic issue on achieving safety and reliability of LNG carriers and FLNG if the liquid level is below at a certain point in the containment system. Sloshing motion can be significantly reduced by covering the free-surface using a patented floater type blanket which is formed...

Successful Implementation of Advanced Process Control in Cryogenic Plants

Apr 3, 2012
Rafael Aguilar
Successful Implementation of Advanced Process Control in Cryogenic Plants. Tom Lyndrup and Greg Rogers, Enterprise Products LLC, Houston, Texas. Rafael Aguilar and Duane Morningred, Honeywell Process Solutions, Houston, TX, and Camarillo, CA, USA. Paper to be presented at the 2012 AIChE Spring...

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